Diamondback 180 Installation guide

Brand: Diamondback

Model: 180

Type: Installation guide

Diamondback 180 is a tonneau cover designed for Toyota Tacomas. It is easy to install and can be done in about an hour with the help of another person. The cover is made of durable materials and is designed to withstand the elements. It has a weatherstrip along the rear angle that compresses against the inside edge of the tailgate to keep out the weather. The cover also has a bulkhead weatherstrip that can be affixed to the bulkhead if necessary. The Diamondback 180 has gas springs that assist with opening and closing the cover.

Important installation information

PARTS INCLUDED:

IMPORTANT!

Keep an eye out for these icons:

Normal Install Time

60 minutes

Tips to assist installation

Helpful Hints

PREPARE THE CARGO BED & MOUNT THE COVER

Close the tailgate. Place the cover onto the cargo bed so that the

weatherstrip along the rear angle is firmly compressed against the

inside edge of the tailgate.

Place the cap clamps under the nose of

the T panel, their top halves gripping the

inside flange of the panel and their

bottom halves gripping the square-tube

top rail (‘16-up) or fitting into the deck

rail system (‘05-15). Tighten with a 9/16"

socket.

Verify that the cover remains centered side to side and its rear

weatherstrip remains compressed against the tailgate.

180 Cover

Gas Springs (4)

TOOLS REQUIRED:

PRE-INSTALLATION

NOTES:

1. You’ll need a second person to

help with this installation.

2. If you have a 2016–up Tacoma,

you should affix the included

rubber gasket to your bulkhead

prior to installing your cover.

Refer to the Bulkhead Prep Kit

Installation Guide for details.

3. If you are installing a Cross

Bin, you should start prior to

installing your cover. Refer to

page 2 of the Cross Bin Installa-

tion Guide for details.

Center the cover

side to side.

Use a 10mm socket to remove the

factory bolt and washer that are on

the cargo-bed wall directly below

the hollow section of the driver-side

end of the cover’s T panel. Repeat

on the passenger side.

Place a mounting bracket at each

end of the T panel so that the brack-

et’s top leg overlaps the inside

flange of the panel and its slot aligns

with the factory bolt hole.

Re-insert each bolt through its

washer, through the bracket slot,

and into the factory hole. Re-tighten.

If you have a ‘05–15 Tacoma, you should affix the included bulkhead

weatherstrip at this point. Refer to the Bulkhead Prep Kit Installa-

tion Guide for details.

Peel the adhesive backing from the top

leg of the brackets so they’ll stay in

place as you attach them.

Cap Clamps (2) Mounting Brackets (2)

If you have a 2016–up Tacoma, you should affix the included rubber

gasket to your bulkhead prior to installing your cover. Refer to the

Bulkhead Prep Kit Installation Guide for details.

To get the weatherstrip compression

necessary for its adhesive to cure

and the cover to keep out the

weather, have a second

person press down on

the cover while

you’re reinstalling the

factory bolts.

INSTALLATION GUIDE

(800) 935-4002 | DIAMONDBACKCOVERS.COM

Ratchet Wrench 9/16" Socket 7/16" Socket 10mm Socket

2005–UP TOYOTA TACOMAS

1/8" Hex Key

CONTINUED ON REVERSE →

ADJUST THE LOCK RODS

Double-check both panels to ensure they open, close, lock & seal

correctly. If at any point the weatherstrip does not touch the bed rails,

readjust the lock rods and mounting brackets as needed.

Use an 1/8" hex key to loosen the

set screws on the linkages of the

forward lock rods.

Operating the access panels is easiest when

you press down as you open or close them.

Attach the gas springs to the ball studs.

Leave the cover closed and locked for 24

hours to allow the weatherstrip adhesive,

which is pressure-sensitive, to fully cure.

To ensure the best weatherstrip adhesion, leave your

cover and tailgate closed for 24 hours after you’ve

made your final adjustments.

Repeat steps 9–11 for the rearward lock rods so that:

A. with the lock handles in the open position, the rod tips clear

the T-panel gutter,

B. the rods point downward, and

C. closing them draws the panels down & compresses the

weatherstrip.

To avoid premature failure of your gas

springs, attach them barrel up, shaft down.

ATTACH THE GAS SPRINGS

1/8" Hex Key

Adjust the length of the forward lock rods and retighten the set screws

so that:

A. with the lock handles in the open position, the rod tips clear the

square-tube top rail or deck rail system,

B. with the handle in the closed position, the rod tips do not strike

the bulkhead, and

C. the rods point downward.

With the lock handle in the

closed position, position the

lock rods tight against the

underside of the square-tube

top rail or the deck rail system

so that they’ll draw

the panels down

and compress the

weatherstrip.

Tighten the rod guide

brackets with a 7/16"

socket.

7/16" socket

WWW.DIAMONDBACKCOVERS.COM

JANUARY 2016

Diamondback 180 Installation guide

Diamondback 180 Installation guide

Diamondback 180 Installation guide

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